On Mon, Apr 15, 2019 at 11:11 AM Leo Zhang <leozh...@qiyi.com> wrote:
>
> For example:
> ./ffmpeg -hwaccel cuvid -c:v h264_cuvid -stream_loop -1 -i in.flv -c:v
> h264_nvenc out.flv
> will print below error messages after one loop:
> Impossible to convert between the formats supported by the filter
> 'Parsed_null_0' and the filter 'auto_scaler_0'
> Error reinitializing filters!
> Failed to inject frame into filter network: Function not implemented
>
> Add b_hwaccel check to fix the bug
> Signed-off-by: Leo Zhang <leozh...@qiyi.com>
> ---
> fftools/ffmpeg_filter.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/fftools/ffmpeg_filter.c b/fftools/ffmpeg_filter.c
> index 72838de..b8dd90a 100644
> --- a/fftools/ffmpeg_filter.c
> +++ b/fftools/ffmpeg_filter.c
> @@ -460,6 +460,7 @@ static int configure_output_video_filter(FilterGraph *fg,
> OutputFilter *ofilter,
> int pad_idx = out->pad_idx;
> int ret;
> char name[255];
> + int b_hwaccel = ost->sync_ist && ost->sync_ist->hwaccel_id!=HWACCEL_NONE;
>
> snprintf(name, sizeof(name), "out_%d_%d", ost->file_index, ost->index);
> ret = avfilter_graph_create_filter(&ofilter->filter,
> @@ -469,7 +470,7 @@ static int configure_output_video_filter(FilterGraph *fg,
> OutputFilter *ofilter,
> if (ret < 0)
> return ret;
>
> - if (ofilter->width || ofilter->height) {
> + if (!b_hwaccel && (ofilter->width || ofilter->height)) {
> char args[255];
> AVFilterContext *filter;
> AVDictionaryEntry *e = NULL;
> --
> 1.8.3.1
>
Please refer to the link: https://patchwork.ffmpeg.org/patch/8173/,
Mark given a comments for this patch.
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